public static EconomyDefinition Parse(string rawFile, string compositeFile)
{
var econDef = new EconomyDefinition();
// Open the raw file
var rawFileContents = File.ReadAllText(rawFile);
var compositeFileContents = File.ReadAllText(compositeFile);
ParseFile(rawFileContents, econDef,
(name, energy, inputs, outputs) =>
econDef.Processes.Add(name, new Process(name, inputs, outputs)));
ParseFile(compositeFileContents, econDef,
(name, energy, inputs, outputs) =>
econDef.Processes.Add(name, new Process(name, inputs, outputs)));
foreach (var process in econDef.AllProcesses)
{
foreach (var resource in process.Inputs.Keys.Where(x => x != null))
resource.Consumers.Add(process);
foreach (var resource in process.Outputs.Keys.Where(x => x != null))
resource.Producers.Add(process);
}
// Ensure there are no cycles
EnsureDAG(econDef);
return econDef;
}
private static void EnsureDAG(EconomyDefinition econ)
{
// Ensure there are no loops.
var allProcesses = new HashSet<Process>(econ.AllProcesses);
foreach (var process in allProcesses)
{
RecursiveSearch(process, new Stack<Process>(), allProcesses);
}
}
private static IEnumerable<Tuple<Resource, decimal>> ProcessResources(IEnumerable<string> columns, EconomyDefinition worldState)
{
foreach (var column in columns)
{
var idx = column.IndexOf('x');
if (idx < 0)
continue;
var inputQty = Decimal.Parse(column.Substring(0, idx));
var inputResourceName = column.Substring(idx + 1);
Resource inputResource;
if (!worldState.Resources.TryGetValue(inputResourceName, out inputResource))
{
inputResource = new Resource {Name = inputResourceName};
worldState.Resources.Add(inputResourceName, inputResource);
}
yield return Tuple.Create(inputResource, inputQty);
}
}
private static void ParseFile(string fileConents, EconomyDefinition worldState, Action<string, string, IEnumerable<Tuple<Resource, decimal>>, IEnumerable<Tuple<Resource, decimal>>> emitProcess)
{
var lines = fileConents.Split('\n');
foreach (var line in lines.Skip(1))
{
if (String.IsNullOrWhiteSpace(line)) continue;
var columns = line.Split(',');
if (columns.All(String.IsNullOrWhiteSpace)) continue;
var processName = columns[0];
if (String.IsNullOrWhiteSpace(processName))
processName = "UNNAMED PROCESS " + sha256(line);
var energyCost = columns[2];
var inputs = columns.Skip(2).TakeWhile(x => x != "=>").ToArray();
var outputs = columns.Skip(inputs.Length + 3).ToArray();
emitProcess(processName, energyCost,
ProcessResources(inputs, worldState),
ProcessResources(outputs, worldState));
}
}
